204042213433 has 4 divisors (see below), whose sum is σ = 204047625600. Its totient is φ = 204036801268.

The previous prime is 204042213407. The next prime is 204042213469. The reversal of 204042213433 is 334312240402.

204042213433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204042213433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204042213833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2649133 + ... + 2725066.

It is an arithmetic number, because the mean of its divisors is an integer number (51011906400).

Almost surely, 2^204042213433 is an apocalyptic number.

It is an amenable number.

204042213433 is a deficient number, since it is larger than the sum of its proper divisors (5412167).

204042213433 is an equidigital number, since it uses as much as digits as its factorization.

204042213433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412166.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 204042213433 its reverse (334312240402), we get a palindrome (538354453835).

The spelling of 204042213433 in words is "two hundred four billion, forty-two million, two hundred thirteen thousand, four hundred thirty-three".